TSB S1721000016 — Jeep Service bulletin
S1721000016 is a service bulletin on file with NHTSA for the Jeep Cherokee, 2014–2023 model years, filed and re-filed as 2 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Service 4wd Light On, AWD System Service Required Message Illuminated. Diagnostic Trouble Code (DTC) C14A7-97 PTU Motor Component Or System Operation Obstructed Or Blocked, Set.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years S1721000016 names
Every document filed under S1721000016
Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.
| Document ID | Filed | Type |
|---|---|---|
| S1721000016 REV.B | December 19, 2025 | Service bulletin |
| S1721000016 | October 25, 2023 | Service bulletin |
What S1721000016 covers
Transmission & drivetrain, Airbags, Engine — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB S1721000016?
S1721000016 is a service bulletin filed with NHTSA by Jeep, covering the Jeep Cherokee across the 2014–2023 model years. NHTSA's summary reads: Service 4wd Light On, AWD System Service Required Message Illuminated. Diagnostic Trouble Code (DTC) C14A7-97 PTU Motor Component Or System Operation Obstructed Or Blocked, Set.
Which vehicles does S1721000016 cover?
NHTSA's file names Jeep Cherokee (2014–2023). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB S1721000016 a recall, and is the repair free?
No. S1721000016 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of S1721000016?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under S1721000016, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under S1721000016. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.